Pymagento

* `get_order_item`: accept the item ID as a positional argument
* Add `delete_source_items_by_source_code` and deprecate `delete_default_source_items`
* Bump `api-session` to 1.4.1

* Add `get_order_item`, `get_customer("me")`
* Add `get_current_customer`, `activate_current_customer`, `change_current_customer_password`
* Add `get_countries`, `get_country`
* `get_cart` now accepts the cart ID as a positional argument (not only as a keyword argument)
* Expose `magento.types.*` under `magento`
* Escape path arguments in all calls

* `get_category_by_name`: add `assert_one` optional keyword parameter
* Add `move_category`, `get_child_categories`

Breaking changes

* `create_category` now returns the created category rather than a `Response` object

* fix `get_source_items` to accept an empty list of SKUs. In previous versions `skus=[]` (filter on an empty list) was
interpreted the same way as `skus=None` (don’t filter at all)
* fix `get_store_configs` to accept an empty list of `store_codes`
* `update_product_stock_item`: improve the docstring

* Implement more methods:
* `get_apple_pay_auth`
* `get_bulk_operations`, `get_bulk_detailed_status`, `get_bulk_operation_status_count`
* `update_product_stock_item`
* Add `update_product_stock_item_quantity` and deprecate `set_product_stock_item`
* Allow to override the `page_size` in `get_paginated` and all methods that use it

* Implement more methods:
* `get_cms_block`, `delete_cms_block`
* `create_coupon`, `update_coupon`, `get_coupon`, `delete_coupon`, `delete_coupons`, `delete_coupons_by_codes`
* `delete_customer_address`
* Add helpers `sku_exists`, `sku_was_bought`, `get_categories_under_root`
* `remove_product_from_category`: fix for SKUs that contain slashes
* Improve some type hints on attributes methods